Golang Datastore.DeleteMulti Examples

Example #1

File: tasks.go Project: pendo-io/mapreduce

func RemoveJob(ds appwrap.Datastore, jobId int64) error {
	jobKey := ds.NewKey(JobEntity, "", jobId, nil)
	q := ds.NewQuery(TaskEntity).Filter("Job =", jobKey).KeysOnly()
	keys, err := q.GetAll(nil)
	if err != nil {
		return err
	}

	keys = append(keys, jobKey)

	i := 0
	for i < len(keys) {
		last := i + 250
		if last > len(keys) {
			last = len(keys)
		}

		if err := ds.DeleteMulti(keys[i:last]); err != nil {
			return err
		}

		i = last
	}

	return nil
}